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Anuta_ua [19.1K]
3 years ago
13

How is sigma notation used to evaluate a series?

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0
The sigma indicates sum.
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Write the equation for the area of a triangle with a height that is 5 more than twice its base using one variable. Please help m
zysi [14]

Answer:

A=b(b+\frac{5}{2} )

Step-by-step explanation:

hey there!!!

we know already that the area of a triangle is given as

A=\frac{1}{2}b *h

where b= base

and h= heigth

Given that the height is 5 times more than twice it base

let h= 2b+5

Now we substitute h=2b+5 in the area of the triangle

A=\frac{1}{2}b * (2b+5)

A= \frac{2b^2}{2} +\frac{5b}{2}

A= b^2+\frac{5b}{2}\\\\A=b(b+\frac{5}{2} )

7 0
3 years ago
PLEASE HELP QUICKLY!!!
kirill115 [55]

Answer:

sunday

Step-by-step explanation:

i dont want brainliest give it to the other guy

5 0
3 years ago
PLEASE HELP ASAP PLEASE
emmainna [20.7K]

Answer:

The equation that represents the line passing through the point (2, -4) with a slope of one half is

f(x) = \frac{1}{2}x - 5

Step-by-step explanation:

The equation of a line can be described by a first order equation in the following format:

f(x) = ax + b

In which a is the slope of the line.

Solution:

The line slope is \frac{1}{2}, so a = \frac{1}{2}.

The equation of the line now is:

f(x) = \frac{1}{2}x + b

The problem states that the line passes through the point(2,-4). This means that when x = 2, f(x) = -4

So:

f(x) = \frac{1}{2}x + b

-4 = \frac{1}{2}*(2) + b

-4 = 1 + b

b = -5

So, the equation that represents the line passing through the point (2, -4) with a slope of one half is

f(x) = \frac{1}{2}x - 5

3 0
3 years ago
What are all the numbers of Pi? I need this now please<br><br> Thank you!! ♥︎
marysya [2.9K]

Answer:

3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 ...

Step-by-step explanation:

7 0
4 years ago
F is a trigonometric function of the form f(x) = a sin(bx + c) + d.
Marina CMI [18]

Answer:

3sin(2x+2)-3

Step-by-step explanation:

3sin(2x+2)-3

3 0
2 years ago
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